| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| /* Authors: Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| #ifndef LP_CONTEXT_H |
| #define LP_CONTEXT_H |
| |
| #include "pipe/p_context.h" |
| |
| #include "draw/draw_vertex.h" |
| |
| #include "lp_tex_sample.h" |
| #include "lp_jit.h" |
| #include "lp_setup.h" |
| #include "lp_state_fs.h" |
| #include "lp_state_setup.h" |
| |
| |
| struct llvmpipe_vbuf_render; |
| struct draw_context; |
| struct draw_stage; |
| struct lp_fragment_shader; |
| struct lp_vertex_shader; |
| struct lp_blend_state; |
| struct lp_setup_context; |
| struct lp_setup_variant; |
| struct lp_velems_state; |
| |
| struct llvmpipe_context { |
| struct pipe_context pipe; /**< base class */ |
| |
| /** Constant state objects */ |
| const struct pipe_blend_state *blend; |
| struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; |
| |
| const struct pipe_depth_stencil_alpha_state *depth_stencil; |
| const struct pipe_rasterizer_state *rasterizer; |
| struct lp_fragment_shader *fs; |
| const struct lp_vertex_shader *vs; |
| const struct lp_geometry_shader *gs; |
| const struct lp_velems_state *velems; |
| const struct lp_so_state *so; |
| |
| /** Other rendering state */ |
| struct pipe_blend_color blend_color; |
| struct pipe_stencil_ref stencil_ref; |
| struct pipe_clip_state clip; |
| struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; |
| struct pipe_framebuffer_state framebuffer; |
| struct pipe_poly_stipple poly_stipple; |
| struct pipe_scissor_state scissor; |
| struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; |
| |
| struct pipe_viewport_state viewport; |
| struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; |
| struct pipe_index_buffer index_buffer; |
| struct { |
| struct llvmpipe_resource *buffer[PIPE_MAX_SO_BUFFERS]; |
| int offset[PIPE_MAX_SO_BUFFERS]; |
| int so_count[PIPE_MAX_SO_BUFFERS]; |
| int num_buffers; |
| } so_target; |
| struct pipe_resource *mapped_vs_tex[PIPE_MAX_SAMPLERS]; |
| |
| unsigned num_samplers[PIPE_SHADER_TYPES]; |
| unsigned num_sampler_views[PIPE_SHADER_TYPES]; |
| |
| unsigned num_vertex_buffers; |
| |
| unsigned dirty; /**< Mask of LP_NEW_x flags */ |
| |
| int active_query_count; |
| |
| /** Mapped vertex buffers */ |
| ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; |
| |
| /** Vertex format */ |
| struct vertex_info vertex_info; |
| |
| /** Which vertex shader output slot contains color */ |
| int color_slot[2]; |
| |
| /** Which vertex shader output slot contains bcolor */ |
| int bcolor_slot[2]; |
| |
| /** Which vertex shader output slot contains point size */ |
| int psize_slot; |
| |
| /**< minimum resolvable depth value, for polygon offset */ |
| double mrd; |
| |
| /** The tiling engine */ |
| struct lp_setup_context *setup; |
| struct lp_setup_variant setup_variant; |
| |
| /** The primitive drawing context */ |
| struct draw_context *draw; |
| |
| unsigned tex_timestamp; |
| boolean no_rast; |
| |
| /** List of all fragment shader variants */ |
| struct lp_fs_variant_list_item fs_variants_list; |
| unsigned nr_fs_variants; |
| unsigned nr_fs_instrs; |
| |
| struct lp_setup_variant_list_item setup_variants_list; |
| unsigned nr_setup_variants; |
| |
| /** Conditional query object and mode */ |
| struct pipe_query *render_cond_query; |
| uint render_cond_mode; |
| }; |
| |
| |
| /** |
| * Fragment and setup variant count, used to trigger garbage collection. |
| * This is global since all variants in all contexts will be free when |
| * we do garbage collection. |
| */ |
| extern unsigned llvmpipe_variant_count; |
| |
| |
| struct pipe_context * |
| llvmpipe_create_context( struct pipe_screen *screen, void *priv ); |
| |
| struct pipe_resource * |
| llvmpipe_user_buffer_create(struct pipe_screen *screen, |
| void *ptr, |
| unsigned bytes, |
| unsigned bind_flags); |
| |
| |
| static INLINE struct llvmpipe_context * |
| llvmpipe_context( struct pipe_context *pipe ) |
| { |
| return (struct llvmpipe_context *)pipe; |
| } |
| |
| #endif /* LP_CONTEXT_H */ |
| |